Vulnerability Intelligence Report
CVE-2021-46758
Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.
No Active Exploit Signals
CVSS Base Score
6.1
MEDIUM
EPSS Probability:0.33%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| AMD | Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne” | various (affected) |
| AMD | Ryzen™ 7000 Series Desktop Processors “Raphael” XD3 | various (affected) |
| AMD | Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics “Renoir” FP6 | various (affected) |
| AMD | Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” | various (affected) |
| AMD | Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne” | various (affected) |
| AMD | AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt" | various (affected) |
| AMD | AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R” | various (affected) |
| AMD | AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo” | various (affected) |
| AMD | AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R” | various (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.325%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Advanced Micro Devices Inc. · Vendor · USA |
| Reserved | 2022-03-31T16:50:27 |
| Published | 2023-11-14T18:54:25 |
| Patch Date | 2023-11-14 |
| Last Updated | 2024-08-04T05:17:42 |
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